body {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
}

.chat-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chat-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    text-align: center;
}

.chat-messages {
    height: 500px;
    padding: 20px;
    overflow-y: auto;
}

.message {
    margin-bottom: 20px;
    padding: 10px 15px;
    border-radius: 10px;
    max-width: 80%;
}

.user-message {
    background-color: #007bff;
    color: white;
    margin-left: auto;
}

.bot-message {
    background-color: #e9ecef;
    color: black;
}

.chat-input {
    padding: 20px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
}

textarea {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    resize: none;
    height: 40px;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
} 